[Linux Views] Refactor accelerator handler related code.

views/focus/focus_manager.cc

Index: views/focus/focus_manager.cc
diff --git a/views/focus/focus_manager.cc b/views/focus/focus_manager.cc
index 5a94c95f176016b6bdea22106fd3157c13a42cf0..f0f5f9901e211ef5ef7d16af55b2838b79b1bae4 100644
--- a/views/focus/focus_manager.cc
+++ b/views/focus/focus_manager.cc
@@ -81,9 +81,13 @@ FocusManager::~FocusManager() {
 }
 
 bool FocusManager::OnKeyEvent(const KeyEvent& event) {
+#if defined(OS_WIN)
   // If the focused view wants to process the key event as is, let it be.
+  // On Linux we always dispatch key events to the focused view first, so
+  // we should not do this check here. See also WidgetGtk::OnKeyEvent().
   if (focused_view_ && focused_view_->SkipDefaultKeyEventProcessing(event))
     return true;
+#endif
 
   // Intercept Tab related messages for focus traversal.
   // Note that we don't do focus traversal if the root window is not part of the